﻿// Copyright (c) 2014 AlphaSierraPapa for the SharpDevelop Team
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.

using System;
using System.Collections.Generic;
using ICSharpCode.AvalonEdit.Folding;
using ICSharpCode.Core;

namespace ICSharpCode.AspNet.Mvc.Folding
{
	public class FoldGenerator : IFoldGenerator
	{
		ITextEditorWithParseInformationFolding textEditor;
		IFoldParser foldParser;
		
		public FoldGenerator(
			ITextEditorWithParseInformationFolding textEditor,
			IFoldParser foldParser)
		{
			this.textEditor = textEditor;
			this.foldParser = foldParser;
			IsParseInformationFoldingEnabled = false;
			this.textEditor.InstallFoldingManager();
		}
		
		bool IsParseInformationFoldingEnabled {
			get { return textEditor.IsParseInformationFoldingEnabled; }
			set { textEditor.IsParseInformationFoldingEnabled = value; }
		}
		
		public void Dispose()
		{
			textEditor.Dispose();
			IsParseInformationFoldingEnabled = true;
		}
		
		public void GenerateFolds()
		{
			try {
				textEditor.UpdateFolds(GetFolds());
			} catch (Exception ex) {
				LoggingService.Debug(ex.ToString());
			}
		}
		
		IEnumerable<NewFolding> GetFolds()
		{
			return foldParser.GetFolds(textEditor.GetTextSnapshot());
		}
	}
}
